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9*(1+49:7:7)-16:8*(5-6:2)​

Răspuns :

9 × ( 1 + 49 : 7 : 7 ) - 16 : 8 × ( 5 - 6 : 2 ) =

9 × ( 1 + 7 : 7 ) - 2 × ( 5 - 3 ) =

9 × ( 1 + 1 ) - 2 × 2 =

9 × 2 - 4 =

18 - 4 = 14

9×(1+49:7:7)-16:8×(5-6:2)=

=9×(1+7:7)-2×(5-3)=

=9×(1+1)-2×2=

=9×2-4=

=18-4=

=14